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Recognised as Colour

#516CF3

  • #516CF3
  • Blue
  • Dark
  • Nearest: Royal blue

#516CF3 is a blue with RGB values 81, 108, 243 and HSL 230°, 87%, 64%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#516CF3#516CF3
HEX#516CF3
RGBrgb(81, 108, 243)
RGB (0–1)0.3176, 0.4235, 0.9529
RGB percentages31.8%, 42.4%, 95.3%
HSLhsl(230, 87.1%, 63.5%)
HSV / HSBhsv(230, 66.7%, 95.3%)
CMYK66.7%, 55.6%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,336,307
CSS custom property--colour: #516CF3;

Brightness & contrast

Relative luminance0.18946WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.79:1
Contrast with white4.38:1WCAG normal text: Fail
Contrast with black4.79:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#AE930C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0080F8no red cones; affects about 1% of men; ΔE 17.5 from the original
Deuteranopia#0071F0no green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#008DA5no blue cones; rare, and affects men and women equally; ΔE 74.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.38:1WCAG large text: AA
Contrast with black, large text4.79:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.1Medium slateblue · ΔE 9.9Slate blue · ΔE 14.4Medium purple · ΔE 21.5Dodgerblue · ΔE 25.6Rebecca purple · ΔE 31.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.08, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F3D851
Analogous#51BDF3, #8751F3
Triadic#F3516C, #6CF351
Split complementary#F38751, #BDF351
Tetradic#F351BD, #F3D851, #51F387

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E0E5FD
Lighter +20%#B0BDFA
Lighter +10%#8194F6
Darker −10%#2144F0
Darker −20%#0E2FD0
Darker −30%#0B24A0
Darker −40%#081970
More saturated +25%#4564FF
Less saturated −25%#687BDC

Channel breakdown

R81
G108
B243
Red81 (31.8%)
Green108 (42.4%)
Blue243 (95.3%)
Hue230°
Saturation (HSL)87.1%
Lightness63.53%
Dominant channelBlue
Hex per channelR 51 · G 6C · B F3

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Every value on this page was computed from “516cf3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.